July 26, 2014 | 0 Comments
You will need A clean 1 liter clear soda bottle 3/4 cup of water Vegetable Oil Fizzing tablets (such as Alka Seltzer) Food coloring What to do Pour the water into the bottle. Use a measuring cup or funnel to slowly pour the vegetable oil into the bottle until it’s almost full. You may have […]
June 9, 2014 | 0 Comments
The World’s Easiest Lava Lamp. This is an easy, fun science activity that is great for any age. In fact, our video crew ended up taking the extra bottles home to show their friends. It is also a great demonstration of liquid density, the release of gases in a chemical reaction, acids and bases, intermolecular […]
May 29, 2009 | 4 Comments
Ian Stewart, a teacher at the St. Andrews School in Hamilton, New Zealand was looking for a way to make learning about density a hands-on experience. Then he stumbled across our Blobs In a Bottle lava lamp experiment (link below) at sciencebob.com. The students got to work creating their own blobs in bottles as they […]